Disclosed is a blue-phase liquid crystal panel, comprising a first substrate (12), a second substrate (22), a blue-phase liquid crystal layer (10) between the first substrate (12) and the second substrate (22); a first electrode (11) located on one surface of the first substrate (12), a first substrate coupling film (14) located on another surface of the first substrate (12); a second electrode (21) located on one surface of the second substrate (22); the first electrode (11) and the second electrode (21) forming a vertical electric field; the first substrate coupling film (14) converting the direct front light (151) of the backlight module (15) into slant front light (152) having a predetermined angle with the perpendicular electric field direction. By generating a vertical electric field, the liquid crystal panel enhances the electric field strength and uniformity of the blue-phase liquid crystal layer (10), and by changing the angle of light of the backlight source entering the liquid crystal cell, subjecting the incident light to phase retard, thus lowering the operating voltages of the blue-phase liquid crystal panel.
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